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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    package org.apache.commons.jxpath;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    import java.net.URL;<a name="line.19"></a>
<FONT color="green">020</FONT>    <a name="line.20"></a>
<FONT color="green">021</FONT>    import javax.xml.transform.Source;<a name="line.21"></a>
<FONT color="green">022</FONT>    import javax.xml.transform.Transformer;<a name="line.22"></a>
<FONT color="green">023</FONT>    import javax.xml.transform.TransformerFactory;<a name="line.23"></a>
<FONT color="green">024</FONT>    import javax.xml.transform.dom.DOMResult;<a name="line.24"></a>
<FONT color="green">025</FONT>    <a name="line.25"></a>
<FONT color="green">026</FONT>    import org.apache.commons.jxpath.xml.DocumentContainer;<a name="line.26"></a>
<FONT color="green">027</FONT>    import org.w3c.dom.Document;<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>    /**<a name="line.29"></a>
<FONT color="green">030</FONT>     * An XML document container reads and parses XML only when it is<a name="line.30"></a>
<FONT color="green">031</FONT>     * accessed.  JXPath traverses Containers transparently -<a name="line.31"></a>
<FONT color="green">032</FONT>     * you use the same paths to access objects in containers as you<a name="line.32"></a>
<FONT color="green">033</FONT>     * do to access those objects directly.  You can create<a name="line.33"></a>
<FONT color="green">034</FONT>     * XMLDocumentContainers for various XML documents that may or<a name="line.34"></a>
<FONT color="green">035</FONT>     * may not be accessed by XPaths.  If they are, they will be automatically<a name="line.35"></a>
<FONT color="green">036</FONT>     * read, parsed and traversed. If they are not - they won't be<a name="line.36"></a>
<FONT color="green">037</FONT>     * read at all.<a name="line.37"></a>
<FONT color="green">038</FONT>     *<a name="line.38"></a>
<FONT color="green">039</FONT>     * @deprecated 1.1 Please use {@link DocumentContainer}<a name="line.39"></a>
<FONT color="green">040</FONT>     *<a name="line.40"></a>
<FONT color="green">041</FONT>     * @author Dmitri Plotnikov<a name="line.41"></a>
<FONT color="green">042</FONT>     * @version $Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $<a name="line.42"></a>
<FONT color="green">043</FONT>     */<a name="line.43"></a>
<FONT color="green">044</FONT>    public class XMLDocumentContainer implements Container {<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>        private DocumentContainer delegate;<a name="line.46"></a>
<FONT color="green">047</FONT>        private Object document;<a name="line.47"></a>
<FONT color="green">048</FONT>        private URL xmlURL;<a name="line.48"></a>
<FONT color="green">049</FONT>        private Source source;<a name="line.49"></a>
<FONT color="green">050</FONT>    <a name="line.50"></a>
<FONT color="green">051</FONT>        /**<a name="line.51"></a>
<FONT color="green">052</FONT>         * Create a new XMLDocumentContainer.<a name="line.52"></a>
<FONT color="green">053</FONT>         * @param xmlURL a URL for an XML file. Use getClass().getResource(resourceName)<a name="line.53"></a>
<FONT color="green">054</FONT>         *               to load XML from a resource file.<a name="line.54"></a>
<FONT color="green">055</FONT>         */<a name="line.55"></a>
<FONT color="green">056</FONT>        public XMLDocumentContainer(URL xmlURL) {<a name="line.56"></a>
<FONT color="green">057</FONT>            this.xmlURL = xmlURL;<a name="line.57"></a>
<FONT color="green">058</FONT>            delegate = new DocumentContainer(xmlURL);<a name="line.58"></a>
<FONT color="green">059</FONT>        }<a name="line.59"></a>
<FONT color="green">060</FONT>    <a name="line.60"></a>
<FONT color="green">061</FONT>        /**<a name="line.61"></a>
<FONT color="green">062</FONT>         * Create a new XMLDocumentContainer.<a name="line.62"></a>
<FONT color="green">063</FONT>         * @param source XML source<a name="line.63"></a>
<FONT color="green">064</FONT>         */<a name="line.64"></a>
<FONT color="green">065</FONT>        public XMLDocumentContainer(Source source) {<a name="line.65"></a>
<FONT color="green">066</FONT>            this.source = source;<a name="line.66"></a>
<FONT color="green">067</FONT>            if (source == null) {<a name="line.67"></a>
<FONT color="green">068</FONT>                throw new RuntimeException("Source is null");<a name="line.68"></a>
<FONT color="green">069</FONT>            }<a name="line.69"></a>
<FONT color="green">070</FONT>        }<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>        /**<a name="line.72"></a>
<FONT color="green">073</FONT>         * Reads XML, caches it internally and returns the Document.<a name="line.73"></a>
<FONT color="green">074</FONT>         * @return Object value<a name="line.74"></a>
<FONT color="green">075</FONT>         */<a name="line.75"></a>
<FONT color="green">076</FONT>        public Object getValue() {<a name="line.76"></a>
<FONT color="green">077</FONT>            if (document == null) {<a name="line.77"></a>
<FONT color="green">078</FONT>                try {<a name="line.78"></a>
<FONT color="green">079</FONT>                    if (source != null) {<a name="line.79"></a>
<FONT color="green">080</FONT>                        DOMResult result = new DOMResult();<a name="line.80"></a>
<FONT color="green">081</FONT>                        Transformer trans =<a name="line.81"></a>
<FONT color="green">082</FONT>                            TransformerFactory.newInstance().newTransformer();<a name="line.82"></a>
<FONT color="green">083</FONT>                        trans.transform(source, result);<a name="line.83"></a>
<FONT color="green">084</FONT>                        document = (Document) result.getNode();<a name="line.84"></a>
<FONT color="green">085</FONT>                    }<a name="line.85"></a>
<FONT color="green">086</FONT>                    else {<a name="line.86"></a>
<FONT color="green">087</FONT>                        document = delegate.getValue();<a name="line.87"></a>
<FONT color="green">088</FONT>                    }<a name="line.88"></a>
<FONT color="green">089</FONT>                }<a name="line.89"></a>
<FONT color="green">090</FONT>                catch (Exception ex) {<a name="line.90"></a>
<FONT color="green">091</FONT>                    throw new JXPathException(<a name="line.91"></a>
<FONT color="green">092</FONT>                        "Cannot read XML from: "<a name="line.92"></a>
<FONT color="green">093</FONT>                            + (xmlURL != null<a name="line.93"></a>
<FONT color="green">094</FONT>                                ? xmlURL.toString()<a name="line.94"></a>
<FONT color="green">095</FONT>                                : (source != null<a name="line.95"></a>
<FONT color="green">096</FONT>                                    ? source.getSystemId()<a name="line.96"></a>
<FONT color="green">097</FONT>                                    : "&lt;&lt;undefined source&gt;&gt;")),<a name="line.97"></a>
<FONT color="green">098</FONT>                        ex);<a name="line.98"></a>
<FONT color="green">099</FONT>                }<a name="line.99"></a>
<FONT color="green">100</FONT>            }<a name="line.100"></a>
<FONT color="green">101</FONT>            return document;<a name="line.101"></a>
<FONT color="green">102</FONT>        }<a name="line.102"></a>
<FONT color="green">103</FONT>    <a name="line.103"></a>
<FONT color="green">104</FONT>        /**<a name="line.104"></a>
<FONT color="green">105</FONT>         * Throws an UnsupportedOperationException<a name="line.105"></a>
<FONT color="green">106</FONT>         * @param value to set<a name="line.106"></a>
<FONT color="green">107</FONT>         */<a name="line.107"></a>
<FONT color="green">108</FONT>        public void setValue(Object value) {<a name="line.108"></a>
<FONT color="green">109</FONT>            throw new UnsupportedOperationException();<a name="line.109"></a>
<FONT color="green">110</FONT>        }<a name="line.110"></a>
<FONT color="green">111</FONT>    }<a name="line.111"></a>




























































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